3-D glasses



FIG. 1 is a top, front and right side perspective view of 3-D glasses showing my new design;

FIG. 2 is a bottom, rear and left side perspective view thereof;

FIG. 3 is a top, front and right side perspective view of a modified embodiment of the design shown FIGS. 1 and 2; and

FIG. 4 is a bottom, rear and left side perspective view thereof. 

The ornamental design for 3-D glasses, as shown. 